G.A. - general average
G.A.A. - General Average Agreement (bond)
G.A.C. - general average contribution
G.C. - general cargo
G.C.R. - general cargo rates
GDP - gross domestic product
GMT - Greenwich Meantime
GFA - general freight agent
GNP - grosss national product
GRT - gross registered tonnage
GSA - General Sales Agent
Guatemala City Protocol (1971) - Protocol to amend the Convention for the Unification of certain Rules relating to International Carriage by Air signed at Warsaw on 12 October 1929 as amended by the Protocol at the Hague on 28 September 1955 (not in force)
Guadalajara Supplementary Convention (1961) - Convention Supplementary to theWarsaw Convention for the Unification of certain Rules relating to International Carriage by Air performed by a person other than the contracting carrier
GW - gross weight

H

HAWB - House Air Waybill
Hague Prot.(1955) - Protocol to amend the Convention for the Unification of certain Rules relating to the International Carriage by Air signed at Warsaw on 12 October 1929
Hague Rules - International Convention of the Unification of Certain Rules relating to Bills of Lading (1924)
Hague / Visby Rules - Protocol to amend the International Convention for the Unification of certain Rules of Law relating to Bills of Lading (Brussels 1968)
Hamburg Rules - United Nations Convention on the Carriage of Goods by Sea (1978)
hdlg - handling
HERMES - Handling European Railway Message Exchange-System
hgt - height
h/lift - heavy lift
HS - Harmonized System (CCC Convention)
H.Q. - headquarters
h.p. - horse power